完成求解器雅可比矩阵首轮优化，增加更新目录，整理了文档文件夹，增加了服务启动脚本

frontend/start-dev.bat

@@ -1 +0,0 @@
-powershell -ExecutionPolicy Bypass -File "%~dp0start-dev.ps1"

frontend/start-dev.ps1

@@ -1,14 +0,0 @@
-$ErrorActionPreference = "Stop"
-
-$repoRoot = Split-Path -Parent $PSScriptRoot
-Set-Location $PSScriptRoot
-$nodeDir = Get-ChildItem -Path (Join-Path $repoRoot ".tools") -Directory -Filter "node-*-win-x64" |
-  Sort-Object Name -Descending |
-  Select-Object -First 1
-
-if (-not $nodeDir) {
-  throw "Node.js portable runtime was not found under .tools."
-}
-
-$env:Path = "$($nodeDir.FullName);$env:Path"
-& (Join-Path $nodeDir.FullName "npm.cmd") run dev -- --strictPort